Abu Tahir Firuz Khusrau, better known by his laqab of Jalal al-Dawla, was the Buyid amir of Iraq.
11 Facts About Jalal al-Dawla
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Jalal al-Dawla ruled there up until Musharrif al-Dawla, who had taken control of Iraq, died in 1025.
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Jalal al-Dawla then had Abu Sa'd imprisoned, and appointed the latter's cousin Abu Ali Hasan as his vizier.
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Jalal al-Dawla subsequently became involved in a bitter fight with his nephew Abu Kalijar, who controlled Fars and Kerman.
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In 1030, Jalal al-Dawla sent a fleet of 1300 ships under his vizier Abu Ali Hasan to capture Basra, but the expedition was a disaster and ended in a complete defeat.
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Jalal al-Dawla died the following year in Ahvaz in a family conflict.
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Jalal al-Dawla then appointed the latter's elder brother Abu'l-Qasim Hibatallah as his vizier.
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Jalal al-Dawla was however forced to deal with problems in his own realm, which consisted of little more than Baghdad and Wasit following Abu Kalijar's seizure of Basra.
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Jalal al-Dawla's army was continually hostile, a situation which devolved to the point where the Abbasid caliph often acted as a mediator between the amir and his troops.
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Jalal al-Dawla failed to take Baghdad, but gained Jalal al-Dawla's allegiance.
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Jalal al-Dawla continued his rule in Iraq until his death in 1044, following which Abu Kalijar managed to gain control of Iraq, and expel Jalal al-Dawla's son and heir Al-Malik al-Aziz.